HomeWork 8 is done

This commit is contained in:
winPond
2019-07-06 15:59:43 +08:00
parent 6b5d2ded7f
commit 1f043fb694
206 changed files with 14995 additions and 0 deletions

32
xv6-public/initcode.S Normal file
View File

@@ -0,0 +1,32 @@
# Initial process execs /init.
# This code runs in user space.
#include "syscall.h"
#include "traps.h"
# exec(init, argv)
.globl start
start:
pushl $argv
pushl $init
pushl $0 // where caller pc would be
movl $SYS_exec, %eax
int $T_SYSCALL
# for(;;) exit();
exit:
movl $SYS_exit, %eax
int $T_SYSCALL
jmp exit
# char init[] = "/init\0";
init:
.string "/init\0"
# char *argv[] = { init, 0 };
.p2align 2
argv:
.long init
.long 0